12970438066 has 8 divisors (see below), whose sum is σ = 19457677980. Its totient is φ = 6484545408.

The previous prime is 12970438057. The next prime is 12970438073. The reversal of 12970438066 is 66083407921.

It can be written as a sum of positive squares in 2 ways, for example, as 12875667841 + 94770225 = 113471^2 + 9735^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 312391 + ... + 351466.

Almost surely, 2^12970438066 is an apocalyptic number.

12970438066 is a deficient number, since it is larger than the sum of its proper divisors (6487239914).

12970438066 is an equidigital number, since it uses as much as digits as its factorization.

12970438066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673628.

The product of its (nonzero) digits is 435456, while the sum is 46.

The spelling of 12970438066 in words is "twelve billion, nine hundred seventy million, four hundred thirty-eight thousand, sixty-six".